# a = 10;
# print(a)

#
# a = 'abc';
# b = a;
# a = 'IG';
# print(b);
# print(a)

# a,b,c = 1,2,''
#
# print(a,b,c)

# n = 78
# print('n=',n)
#
# m = 1
# k = 1
# print(m+k)

# f1 = 0.000000000000000000000000000000000002332
# print(f1);
#
#
# print(3>2)
# print(2>3)
#
# print(","",")
#
# s = '左手'
# print(s[-1])
# a = 'abcdefg'
#
# # print(a[-4])
#
# print(a[1:5])
# a = 'abcdefg'
# print(a[3:])
# b = '你好,你不好,你是坏人,你才是坏人'
# print(b[6:])
# print(b[:-1])
# print(b[2:5])
# print(b[5])

# a = 123
# b = 'erwe'
# c = 1.34
#
# print(type(c))
print('你好\n你好')
print('你是换人\t你是坏人')
print('\\\n\\')